elemen

For this reason is presented the combination frame structural analysis by using finite elemen : that the more accurate strain and stress of frame structures is calculated .

由此对组合机身进行结构有限元分析，可比较精确地计算出机身各构件的变形及应力。

In this paper , a simple quadrilateral membrane element with rotational degrees-of-freedom is developed with the approach of the generalized conforming elemen .

本文应用作者早期提出的广义协调方法，构造出具有平面内旋转自由度的任意四边形膜元。

This essay introduces the evaluation and supervision systems for the elemen - tary education quality of Britain , and makes comparison and analysis on it by examining China 's educational evaluation system and examination ways of the status quo .

本文简要介绍了英国对基础教育质量的评价和督导制度，并针对我国教育评价制度和考试方式进行了比较和分析。